Perfect Primer Underwire T-Shirt Bra

Perfect Primer Underwire T-Shirt Bra - View 3

Perfect Primer Underwire T-Shirt Bra - View 4

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$42.84 ~~$72~~ In stock

Experience all-day comfort with the Wacoal Perfect Primer Underwire T-Shirt Bra. Designed as a versatile convertible t-shirt bra, it features smooth, seamless foam cups and irresistibly soft fabric that lay discreetly under your favorite tees. The underwire provides gentle support, while the convertible straps allow you to switch to a racerback style for different necklines.

Seamless, foam-cup construction for a smooth look under clothing
Convertible straps that can be worn traditional or racerback
Soft, comfortable fabric for lasting wear
Underwire support for shaping and lift
Available in Black and Sand, in sizes 32B–38DDD (including DDD and G cups)

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Standard Shipping: Handling (business days) 0–1; Transit (business days) 7–15.

Express Shipping: Handling (business days) 0–1; Transit (business days) 7–15.

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Standard Shipping · United States: $0.00

Express Shipping · United States: $3.99

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United States · Return window (days after delivery): 30. Return method: By mail. Return postage: Seller pays.

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Customer Reviews (5.0 / 5 · 3 reviews)

Aurora ★★★★★ Oct 19, 2026

I’ve been wearing this bra for a week and the soft fabric feels like a second skin, plus the convertible straps let me switch between outfits without any fuss. The seamless cups stay smooth under all my thin t-shirts, so no weird lines showing through.

John ★★★★★ Oct 18, 2026

The foam cups are completely invisible under even my thinnest knit tops, and the fabric is so soft I forgot I was wearing it. Finally found a t-shirt bra that doesn’t dig in or show lines by the end of the day.

Matthew V. ★★★★★ Oct 18, 2026

I’ve worn it for a full workday and completely forgot I had it on — that seamless foam cup really does disappear under a thin tee. The convertible straps are a bonus, though I mostly keep them in the regular position. Soft fabric, zero digging, and it holds its shape after a wash.